# Cooler Master MasterBox MB311L ARGB Airflow Micro-ATX Tower with Dual ARGB Fans, Fine Mesh Front Panel, Mesh Intake Vents, Tempered Glass Side Panel & ARGB Lighting System

- Category: Case
- Brand: Cooler Master
- Model: MasterBox MB311L
- Part number: MCB-B311L-KGNN-S02
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 6161 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/case/cooler-master-masterbox-mb311l-mcb-b311l-kgnn-s02/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | MasterBox MB311L |
| Cabinet Type | MicroATX Mid Tower |
| Side Panel | Tempered Glass, Steel, Plastic |
| Color | Black |
| Power Supply | N/A |
| Maximum 3.5 Drive Space | 2 |
| Maximum 2.5 Drive Space | N/A |
| GPU Length | 13.54" / 344 mm |
| Supported PSU Size | ATX |

## Key Features

- Fine mesh front panel: Cooler Master’s Fine Mesh design on the front panel is proven to provide proficient airflow while filtering out dust.
- Mesh intakes: Large, mesh intakes span each side of the front panel to provide additional airflow to system.
- Dual ARGB fans: Dual pre-installed 120mm ARGB fans with splitter can be managed by the motherboard, to create a customized ARGB lighting system. Motherboard support - Micro ATX, Mini ITX
- Tempered glass: Hardware, custom-loop cooling, or the pure pride of showing off the build in panoramic view through an edge-to-edge tempered glass side panel.
- Adaptable drive cage: The drive cage is movable, able to shift toward the front to accommodate for PSU space, backwards to provide additional radiator space, or even completely removed.
- Versatile cooling options: Support a total of 6 120 millimeter fans, front, top and rear radiator placement to ensure no compromise on cooling performance.

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